Prolongation of the qt interval caused by the use of certain drugs may result in fatal ventricular arrhythmias and sudden cardiac death.
The etiology of ventricular arrhythmias, which continue to be a major contributor to sudden cardiac death (SCD), as well as their high-risk characteristics, must be understood. SCD happens when acute triggers and weak substrates interact to cause prolonged ventricular tachycardia that progresses to ventricular fibrillation.
Heart failure (a condition where your heart's pumping capacity is lessened from what it should be). Ventricular arrhythmias that might result in sudden cardiac death are 6 to 9 times more common in patients with heart failure than in the general population. enlarged heart disease (causes about 10 percent of sudden cardiac deaths).
To learn more about ventricular arrhythmias please visit-
https://brainly.com/question/13111142
#SPJ4